Annulus formation on the scales of the cichlid fish Tilapia zillii (Gerv.) and its validity in age and growth studies
By: by Salah el-Zarka.
Series: Tilapia fisheries investigation in Egyptian lakes ;; 1; Notes and memoirs - United Arab Republic (Southern Region), Hydrobiological Department ; no. 62
Publisher: Extension Dept., Editing and Publication Section
Published: 1961
Place of publication: [Cairo]
Language: eng
Number of pages: 18
Subjects: Tilapia zillii.; Scales (Fishes); Fishes -- Age.; Fishes -- Growth.; Fishes -- Egypt -- Qarun, Lake.
Notes: Bibliography: p. 18.
Summary in Arabic.